APA

Vekov A. H., Izmirliev V., Izmirliev V., Веков А. Х. & Измирлиев В. (1967). Old traditions of Bulgaro-Soviet frienship. Sofia: Foreign Languages Press.

Chicago

Vekov Angel Hristov, Izmirliev Vesselin, Izmirliev Veselin, Веков Ангел Христов and Измирлиев Веселин. 1967. Old traditions of Bulgaro-Soviet frienship. Sofia: Foreign Languages Press.

Harvard

Vekov A. H., Izmirliev V., Izmirliev V., Веков А. Х. and Измирлиев В. (1967). Old traditions of Bulgaro-Soviet frienship. Sofia: Foreign Languages Press.

MLA

Vekov Angel Hristov, Izmirliev Vesselin, Izmirliev Veselin, Веков Ангел Христов and Измирлиев Веселин. Old traditions of Bulgaro-Soviet frienship. Sofia: Foreign Languages Press. 1967.